package com.java5_11_3;
/*
* 测试类
* */
public class JumppingDemo {
    public static void main(String[] args) {
        // 创建对象
        JumppingOperator jo = new JumppingOperator();
        Jumpping j = new Cat();
        jo.useJumpping(j);

        Jumpping j2 = jo.getJumpping();
        j2.jump();
    }
}
